Communities that have a forum

The musical community of reddit

Seeking Alpha is the world’s largest investing community. Powered by the wisdom and diversity of crowdsourcing - millions of passionate investors connect daily to discover and share new investing ideas, discuss the latest news, debate the merits of stocks, and make informed investment decisions. Available on mobile, tablet or desktop, 20 million people use Seeking Alpha every month.

In-depth discussion about all things related to books, authors, genres, or publishing in a safe, supportive environment.

Writing Prompts. You're a writer and you just want to flex those muscles? You've come to the right place! If you see a prompt you like, simply write a short story based on it. Get comments from others, and leave commentary for other people's works. Let's help each other.

Code Project is a community for computer programmers with articles on different topics and programming languages such as web development, software development, C++, Java, and other topics.

Founded in 2008, Stack Overflow’s public platform is used by nearly everyone who codes to learn, share their knowledge, collaborate, and build their careers. Our products and tools help developers and technologists in life and at work. These products include Stack Overflow for Teams, Stack Overflow Advertising, and Stack Overflow for Talent and Jobs. Stack Overflow for Teams, our core SaaS collaboration product, is helping thousands of companies around the world as the transition to remote work, address business continuity challenges, and undergo digital transformation. Whether it’s on Stack Overflow or within Stack Overflow for Teams, community is at the center of all that we do.

"Like 4chan found a bloomberg terminal illness." A subreddit that is breaking the internet right now. Originally discussing YOLO stock plays, now discussing class-action lawsuits.

Subreddit dedicated to the news and discussions about the creation and use of technology and its surrounding issues.

Hacker News is a social news website focusing on computer science and entrepreneurship. It is run by Paul Graham's investment fund and startup incubator, Y Combinator. In general, content that can be submitted is defined as "anything that gratifies one's intellectual curiosity.

See what’s happening now in the markets. See what actual investors and traders are saying in real time about the stocks, crypto, futures, and forex you care about for free.

Startup Grind is the world’s largest community of startups, founders, innovators, and creators. We bring like-minded yet diverse individuals together to connect, learn, teach, help, build, and belong. We do this daily through our local events, flagship conferences, startup program, partnerships, and online media + content - collectively reaching over 3.5 million individuals worldwide.

This Social Media Marketing group is the largest LinkedIn group in the world focused on digital marketing and aims to help businesses of any size leverage social media to get more followers, sales opportunities, clients, and customers by sharing proven social media marketing strategies.

Digital Marketing is one of the most exciting and dynamic groups on LinkedIn for digital marketing professionals and is an extension of our site http://digitaldoughnut.com that provides a valuable resource to our members. Group discussions cover all areas of the digital marketing landscape and include topics such as social media marketing, mobile marketing, search engine marketing, online PR, email marketing, online advertising, measurement and web analytics, best practice digital marketing and more.... We provide updates to the latest whitepapers and industry reports to keep you updated on trends, innovation and best practice digital marketing. We also organise an exciting events programme of conferences, social and networking events to bring the digital marketing community together.

A subreddit for all questions related to programming in any language.

Discussions about the writing craft.

A subreddit dedicated to discussing making music.

A subreddit dedicated to hacking and hackers. Constructive collaboration and learning about exploits, industry standards, grey and white hat hacking, new hardware and software hacking technology, sharing ideas and suggestions for small business and personal security.

This subreddit is for discussion of mathematical links and questions.

Almost any post related to stocks is welcome on /r/stocks. Don't hesitate to tell us about a ticker we should know about, but read the sidebar rules before you post. Check out our wiki and Discord!